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FlexTop King Size Mattresses

Explore our adjustable FlexTop King mattresses, a great choice for couples. Our FlexTop King-sized mattresses let you choose your ideal firmness on each side with generous space for both of you.

FlexTop Mattress options sold only with adjustable bases.

  • $1,899
4.7 rating stars(552) reviews
  • $2,199
4.7 rating stars(24587) reviews
  • $2,699
4.7 rating stars(23435) reviews
  • $3,999
4.7 rating stars(23893) reviews
  • $4,599
4.7 rating stars(20684) reviews
  • $2,639.40
  • 40% OFF$4,399
4.7 rating stars(11322) reviews
  • $5,999
4.7 rating stars(7385) reviews
  • $5,999
4.8 rating stars(66613) reviews
  • $7,599
4.8 rating stars(21992) reviews
  • $7,599
4.8 rating stars(37107) reviews
  • $6,350
  • $800 OFF$7,100
4.8 rating stars(525) reviews
Sleep Number Climate360® smart bed
Includes Smart Adjustable Base
  • $13,449
  • $1000 OFF$14,449
4.7 rating stars(4993) reviews